Leak detection apparatus



FIG. 1 is a front-top-left perspective view of a leak detection apparatus according to the present invention.

FIG. 2 is a front view of the leak detection apparatus.

FIG. 3 is a rear view of the leak detection apparatus.

FIG. 4 is a left side view of the leak detection apparatus.

FIG. 5 is a right side view of the leak detection apparatus.

FIG. 6 is a top view of the leak detection apparatus; and,

FIG. 7 is a bottom view of the leak detection apparatus.

The broken lines in FIGS. 1, 2, 4, and 7 of the drawings illustrate portions of the leak detection apparatus that form no part of the claimed design. 

CLAIM The ornamental design for a leak detection apparatus, as shown and described. 